Dr.i am 43 year old male had a angioplasty into the LAD only one stent on February 2014 , Dr.prescribed me Cardace 10 Mg , Clavix AS-75, Stanlip 145mg,Rozavel 45mg. Now I have develop this problem that at night I feel breathlessness ,heart beat irregular whenever I walk or run I feel so much compression into my heart ,Cardace I stopped reason being my BP is normal but diastolic reduced to 60 only which is very much worrying ,Dr.advice me what is the reason it s happening and some time pain into the centre of the chest also .please advice .